{"id":740,"date":"2026-04-09T22:29:43","date_gmt":"2026-04-09T20:29:43","guid":{"rendered":"https:\/\/kleefstrasyndrome.com\/?p=740"},"modified":"2026-08-21T06:41:00","modified_gmt":"2026-08-21T04:41:00","slug":"definir-unravel-reposicionamiento-de-medicamentos-2026-el","status":"publish","type":"post","link":"https:\/\/kleefstrasyndrome.com\/es\/idefine-unravel-drug-repurposing-2026-el\/","title":{"rendered":"Nueva investigaci\u00f3n sobre el posible reposicionamiento de f\u00e1rmacos en el s\u00edndrome de Kleefstra"},"content":{"rendered":"<div class=\"wp-block-group drug-repurposing-page\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\">Una nueva colaboraci\u00f3n busca reducir el muy gran n\u00famero de posibles sustancias farmac\u00e9uticas que podr\u00edan estudiarse para el s\u00edndrome de Kleefstra, utilizando ARN de personas con el diagn\u00f3stico y modelos computacionales. IDefine y Unravel Biosciences anunciaron el 7 de abril de 2026 que planean recolectar muestras nasales no invasivas de 20 participantes y buscar sustancias que puedan influir en los cambios moleculares relacionados con el s\u00edndrome.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El proyecto no es un ensayo cl\u00ednico de medicamentos. No se anunci\u00f3 que se administrar\u00eda ning\u00fan medicamento a los participantes y no existe ning\u00fan ensayo cl\u00ednico aleatorizado en el marco de esta colaboraci\u00f3n. El componente humano es <strong>recopilaci\u00f3n de datos moleculares observacionales<\/strong> de muestras de RNA. La b\u00fasqueda de sustancias candidatas se realizar\u00e1 de forma computacional y pertenece a una etapa muy temprana y precl\u00ednica de descubrimiento.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Del muestra nasal a un modelo computacional<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Seg\u00fan el anuncio, los participantes proporcionar\u00e1n una muestra mediante un hisopado nasal, a partir del cual se analizar\u00e1 el ARN. El perfil de ARN o transcriptoma es una imagen instant\u00e1nea de las instrucciones gen\u00e9ticas que utilizan las c\u00e9lulas. Su medici\u00f3n no altera el ADN de la persona y no constituye una terapia g\u00e9nica. Debido a que la recolecci\u00f3n fue dise\u00f1ada para poder realizarse de forma remota, podr\u00eda reducir las barreras de participaci\u00f3n para familias que viven lejos de centros de investigaci\u00f3n especializados.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Unravel planea utilizar las plataformas rareSHIFT y BioNAV para crear modelos digitales individuales de la imagen molecular de la enfermedad. El t\u00e9rmino \u00abmodelo digital de paciente\u00bb no describe una copia literal del ser humano. Se trata de una representaci\u00f3n computacional basada en los datos biol\u00f3gicos disponibles y se utiliza para formular predicciones de investigaci\u00f3n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para cada participante, el programa prev\u00e9 la verificaci\u00f3n computacional de m\u00e1s de 40.000 mol\u00e9culas. El objetivo es identificar sustancias que, seg\u00fan el modelo, podr\u00edan desplazar patrones de expresi\u00f3n g\u00e9nica relacionados con la enfermedad hacia un estado m\u00e1s saludable. Los n\u00fameros de los 20 participantes y de m\u00e1s de 40.000 mol\u00e9culas por persona son <strong>par\u00e1metros del programa planificado<\/strong>, sin resultados.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Por qu\u00e9 se considera el reposicionamiento de f\u00e1rmacos<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La deficiencia de EHMT1 afecta a la regulaci\u00f3n de muchos genes y puede causar alteraciones generalizadas en la forma en que las c\u00e9lulas utilizan la informaci\u00f3n gen\u00e9tica. La l\u00f3gica de la colaboraci\u00f3n es medir algunas de estas alteraciones y buscar sustancias que quiz\u00e1s contrarresten los procesos relacionados. A diferencia de la sustituci\u00f3n g\u00e9nica, esta estrategia no intenta restaurar directamente el propio EHMT1, sino influir en las consecuencias que se encuentran m\u00e1s abajo en la cadena biol\u00f3gica.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">El reposicionamiento o la reutilizaci\u00f3n de medicamentos significa que se est\u00e1 investigando si un f\u00e1rmaco desarrollado o aprobado para otra afecci\u00f3n podr\u00eda ser \u00fatil en una nueva situaci\u00f3n. La existencia de informaci\u00f3n previa sobre un f\u00e1rmaco puede facilitar ciertas etapas de la investigaci\u00f3n. Sin embargo, no significa que el medicamento sea autom\u00e1ticamente seguro, adecuado, dosificado correctamente o eficaz para personas con el s\u00edndrome de Kleefstra.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hasta el momento, este programa no ha anunciado ning\u00fan f\u00e1rmaco candidato jerarquizado, biomarcador, grupo de posibles encuestados, confirmaci\u00f3n de laboratorio ni resultado cl\u00ednico. No existen datos observacionales que indiquen que alg\u00fan f\u00e1rmaco haya beneficiado a personas con s\u00edndrome de Kleefstra en el contexto de la colaboraci\u00f3n. Asimismo, no hay ning\u00fan ensayo cl\u00ednico aleatorizado que haya evaluado la eficacia o la seguridad de un f\u00e1rmaco candidato para este proyecto en particular.<\/p>\n\n\n\n<div class=\"wp-block-group study-limitations\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading\">Qu\u00e9 pueden demostrar las predicciones<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Una predicci\u00f3n computacional es una hip\u00f3tesis por comprobar, no una prueba de un resultado terap\u00e9utico. El hecho de que una mol\u00e9cula parezca revertir un patr\u00f3n de ARN dentro de un modelo no demuestra que llegar\u00e1 al tejido adecuado, que tendr\u00e1 el efecto deseado en el cerebro o que ser\u00e1 segura. Las herramientas computacionales pueden ayudar en la priorizaci\u00f3n, pero no sustituyen las pruebas de laboratorio, la supervisi\u00f3n m\u00e9dica y los ensayos cl\u00ednicos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tambi\u00e9n existe la cuesti\u00f3n del tejido. Las c\u00e9lulas de la nariz son accesibles y pueden ofrecer informaci\u00f3n \u00fatil, pero no son neuronas y no capturan toda la biolog\u00eda del cerebro. Habr\u00e1 que demostrar que las se\u00f1ales moleculares identificadas son estables, relevantes para el s\u00edndrome y adecuadas para la selecci\u00f3n de sustancias candidatas. Un conjunto exploratorio de 20 personas puede ser razonable para una enfermedad rara en fase inicial, pero no puede fundamentar la eficacia cl\u00ednica.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si surgen sustancias candidatas interesantes, ser\u00e1 necesaria la confirmaci\u00f3n en sistemas de laboratorio adecuados, posiblemente en c\u00e9lulas derivadas de pacientes y en modelos animales apropiados. Solo tras disponer de datos precl\u00ednicos suficientes se podr\u00eda considerar un estudio en humanos debidamente dise\u00f1ado. Incluso para un medicamento ya aprobado, se requerir\u00eda una evaluaci\u00f3n espec\u00edfica para la poblaci\u00f3n, el objetivo, la dosis y los posibles eventos adversos.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group study-significant\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h3 class=\"wp-block-heading\">Qu\u00e9 significa para las familias hoy<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">La importancia inmediata del programa concierne principalmente a la participaci\u00f3n en la investigaci\u00f3n y al esfuerzo por jerarquizar sistem\u00e1ticamente los medicamentos candidatos. La recogida remota de muestras nasales puede permitir la contribuci\u00f3n de familias a las que de otro modo les costar\u00eda viajar. Si el proyecto alcanza su objetivo inicial, podr\u00eda reducir un campo de b\u00fasqueda enorme a un n\u00famero menor de candidatos que merezca la pena examinar con mayor rigor.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-group study-source\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading\">Fuentes<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.idefine.org\/1266-2\/\" target=\"_blank\" rel=\"noopener noreferrer\">IDefine y Unravel Biosciences Anuncian Colaboraci\u00f3n de Investigaci\u00f3n para el Reposicionamiento de F\u00e1rmacos \u2013 IDefine<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.idefine.org\/cso-corner-volume-15-drug-repurposing-with-unravel-biosciences\/\" target=\"_blank\" rel=\"noopener noreferrer\">www.idefine.org<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.unravel.bio\/a-new-age-in-modern-drug-development\" target=\"_blank\" rel=\"noopener noreferrer\">www.unravel.bio<\/a><\/li>\n<\/ul>\n<\/div><\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>IDefine y Unravel Biosciences planean recolectar muestras de ARN nasal de 20 personas y utilizar modelos computacionales para priorizar posibles candidatos a f\u00e1rmacos. Se trata de una recolecci\u00f3n observacional de datos moleculares y descubrimiento precl\u00ednico, no de un ensayo cl\u00ednico de medicamentos.<\/p>","protected":false},"author":1,"featured_media":2245,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","footnotes":""},"categories":[28],"tags":[74,72,36,25,37,75,73,76],"class_list":["post-740","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","tag-computational-drug-discovery","tag-drug-repurposing","tag-ehmt1","tag-idefine","tag-kleefstra-syndrome","tag-research-participation","tag-rna-profiling","tag-unravel-biosciences"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u039d\u03ad\u03b1 \u03ad\u03c1\u03b5\u03c5\u03bd\u03b1 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